Staff Answer
Sep 28, 2026 - 07:28 AM
With serial 1185912, your N621 is below 9126825, so the 621267 is replaced by the 637779 kit (both boards). That kit is discontinued now. If the board has failed, the Norcold N7X is the replacement fridge.
If you have any questions, just reach out at info@rvfridgeguys.com or call us at 800-712-8822. You can find everything we carry at www.rvfridgeguys.com.
